Question
P5.ST.JC.18121186-A1
Adam and Benedict builds a toy car in 7 hours.
Benedict and Chung builds a toy car in 2 hours.
Chung and Adam builds a toy car in 6 hours.
How long does it take for Adam, Benedict and Chung to build a toy car together?
3 m
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Primary 5 STRATEGIES P5.ST.JC.18121186

27 Apr 2024, 03:28 AM

Adam and Benedict builds a toy car in 7 hours.
Benedict and Chung builds a toy car in 2 hours.
Chung and Adam builds a toy car in 6 hours.
How long does it take for Adam, Benedict and Chung to build a toy car together?
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